Add MaxSesessionDuration to iam_role for federated users

aws/resource_aws_iam_role.go

@@ -12,6 +12,7 @@ import (
 
 	"github.com/hashicorp/terraform/helper/resource"
 	"github.com/hashicorp/terraform/helper/schema"
+	"github.com/hashicorp/terraform/helper/validation"
 )
 
 func resourceAwsIamRole() *schema.Resource {
@@ -105,6 +106,13 @@ func resourceAwsIamRole() *schema.Resource {
 				Type:     schema.TypeString,
 				Computed: true,
 			},
+
+			"max_session_duration": {
+				Type:         schema.TypeInt,
+				Optional:     true,
+				Default:      3600,
+				ValidateFunc: validation.IntBetween(3600, 43200),
+			},
 		},
 	}
 }
@@ -137,6 +145,10 @@ func resourceAwsIamRoleCreate(d *schema.ResourceData, meta interface{}) error {
 		request.Description = aws.String(v.(string))
 	}
 
+	if v, ok := d.GetOk("max_session_duration"); ok {
+		request.MaxSessionDuration = aws.Int64(v.(int64))
+	}
+
 	var createResp *iam.CreateRoleOutput
 	err := resource.Retry(30*time.Second, func() *resource.RetryError {
 		var err error
@@ -176,6 +188,9 @@ func resourceAwsIamRoleRead(d *schema.ResourceData, meta interface{}) error {
 	if err := d.Set("name", role.RoleName); err != nil {
 		return err
 	}
+	if err := d.Set("max_session_duration", role.MaxSessionDuration); err != nil {
+		return err
+	}
 	if err := d.Set("arn", role.Arn); err != nil {
 		return err
 	}
@@ -239,6 +254,21 @@ func resourceAwsIamRoleUpdate(d *schema.ResourceData, meta interface{}) error {
 		}
 	}
 
+	if d.HasChange("max_session_duration") {
+		roleMaxDurationInput := &iam.UpdateRoleInput{
+			RoleName:           aws.String(d.Id()),
+			MaxSessionDuration: aws.Int64(int64(d.Get("max_session_duration").(int))),
+		}
+		_, err := iamconn.UpdateRole(roleMaxDurationInput)
+		if err != nil {
+			if isAWSErr(err, iam.ErrCodeNoSuchEntityException, "") {
+				d.SetId("")
+				return nil
+			}
+			return fmt.Errorf("Error Updating IAM Role (%s) Max Session Duration: %s", d.Id(), err)
+		}
+	}
+
 	return nil
 }
 

aws/resource_aws_iam_role_test.go

@@ -158,6 +158,42 @@ func TestAccAWSIAMRole_force_detach_policies(t *testing.T) {
 	})
 }
 
+func TestAccAWSIAMRole_MaxSessionDuration(t *testing.T) {
+	var conf iam.GetRoleOutput
+	rName := acctest.RandString(10)
+
+	resource.Test(t, resource.TestCase{
+		PreCheck:     func() { testAccPreCheck(t) },
+		Providers:    testAccProviders,
+		CheckDestroy: testAccCheckAWSRoleDestroy,
+		Steps: []resource.TestStep{
+			{
+				Config: testAccCheckIAMRoleConfig_MaxSessionDuration(rName, 3700),
+				Check: resource.ComposeTestCheckFunc(
+					testAccCheckAWSRoleExists("aws_iam_role.test", &conf),
+					testAccAddAwsIAMRolePolicy("aws_iam_role.test"),
+				),
+			},
+			{
+				Config: testAccCheckIAMRoleConfig_MaxSessionDuration(rName, 43201),
+				Check: resource.ComposeTestCheckFunc(
+					testAccCheckAWSRoleExists("aws_iam_role.test", &conf),
+					testAccAddAwsIAMRolePolicy("aws_iam_role.test"),
+				),
+				ExpectError: regexp.MustCompile(`.*Max Session Duration: 43201`),
+			},
+			{
+				Config: testAccCheckIAMRoleConfig_MaxSessionDuration(rName, 3599),
+				Check: resource.ComposeTestCheckFunc(
+					testAccCheckAWSRoleExists("aws_iam_role.test", &conf),
+					testAccAddAwsIAMRolePolicy("aws_iam_role.test"),
+				),
+				ExpectError: regexp.MustCompile(`.*Max Session Duration: 3599`),
+			},
+		},
+	})
+}
+
 func testAccCheckAWSRoleDestroy(s *terraform.State) error {
 	iamconn := testAccProvider.Meta().(*AWSClient).iamconn
 
@@ -261,6 +297,17 @@ func testAccAddAwsIAMRolePolicy(n string) resource.TestCheckFunc {
 	}
 }
 
+func testAccCheckIAMRoleConfig_MaxSessionDuration(rName string, maxSessionDuration int) string {
+	return fmt.Sprintf(`
+resource "aws_iam_role" "role" {
+  name   = "test-role-%s"
+	path = "/"
+	max_session_duration = 3700
+  assume_role_policy = "{\"Version\":\"2012-10-17\",\"Statement\":[{\"Effect\":\"Allow\",\"Principal\":{\"Service\":[\"ec2.amazonaws.com\"]},\"Action\":[\"sts:AssumeRole\"]}]}"
+}
+`, rName)
+}
+
 func testAccAWSIAMRoleConfig(rName string) string {
 	return fmt.Sprintf(`
 resource "aws_iam_role" "role" {

website/docs/r/iam_role.html.markdown

@@ -49,6 +49,8 @@ The following arguments are supported:
   See [IAM Identifiers](https://docs.aws.amazon.com/IAM/latest/UserGuide/Using_Identifiers.html) for more information.
 * `description` - (Optional) The description of the role.
 
+* `max_session_duration` - (Optional) The maximum session duration (in seconds) that you want to set for the specified role. If you do not specify a value for this setting, the default maximum of one hour is applied. This setting can have a value from 1 hour to 12 hours.
+
 ## Attributes Reference
 
 The following attributes are exported: